body {
    margin: 0;
}

.dialog {
    width: 400px;
    height: 300px;
    box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.46);
    border: 1px solid #ccc;
    position: fixed;
    left: 30px;
    top: 30px;
}

.dialog-title {
    height: 40px;
    background: #f6f6f6;
    line-height: 40px;
    padding-left: 20px;
    color: #555;
    cursor: move;
    user-select: none;
}

.dialog-close {
    float: right;
    font-size: 22px;
    cursor: pointer;
    padding: 0 20px 5px;
    transition: background 0.2s;
    font-family: 'Segoe UI';
    line-height: 35px;
}

.dialog-close:hover {
    background-color: #e81123;
    color: #fff;
}